The P300

question 102

Multiple Choice

The P300

• A) is an EEG wave that often occurs after the presentation of a momentary stimulus meaningful to the volunteer.
• B) is a negative EEG wave.
• C) is a far-field potential occurring 300 mm from the electrode.
• D) occurs about 300 seconds prior to a response.
• E) is a component of the potential evoked by a meaningless click.

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Definitions:

CD8 Glycoprotein

A surface protein found on certain immune cells, such as cytotoxic T cells, involved in the immune response.

CD4 Glycoprotein

A protein on the surface of immune cells, such as T helper cells, that is involved in initiating the immune response.

Cytotoxic T

A type of lymphocyte (T cell) that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.

Intracellular Microorganisms

Microorganisms that live within the cells of a host, often causing disease or infection.